GE Giraffe Service Manual

4.4.33 System Failure 55
System failure 55 indicates: Display board On Line Self Test Failure.
Cause(s) Action(s)
Defective display driver board. Replace the display driver board.
4.4.34 System Failure 98
System failure 98 indicates: Overow.
Cause(s) Action(s)
Software on the control board is not performing
correctly.
Replace the control board.
4.4.35 System Failure 99
System failure 99 indicates: Logic problem on the control board.
Cause(s) Action(s)
Software on the control board is not performing
correctly.
Replace the control board.
4.5 Troubleshooting Symptoms
Symptom Possible Cause Action
No audio alarm.
Defective speaker or
harness.
Use an ohmmeter to verify the speaker resistance is about
8 ohms at relay board connector J40, pins 5-6. If defective,
determine whether speaker or harness is defective as
follows:
• If the shroud assembly is in two pieces, raise the lower
shroud to access the speaker connector, and measure the
resistance.
• If the shroud assembly is in three pieces, take o the back
cover, disconnect the lower shroud from the base plate, lean
the shroud forward to access the speaker connector, and
measure the resistance.
Audio driver circuitry on
control board is defective.
Replace the control board.
© 2001 by Datex-Ohmeda, Inc.. All rights reserved. 6600-0356-000 103 49
Chapter 4: Troubleshooting

GE Giraffe Specifications

General

Manufacturer	GE Healthcare
Type	Incubator
Humidity Range	30% to 95% RH
Power Supply	50/60 Hz
Model	Giraffe
Features	integrated scale
Control Modes	Air and Skin